{"action":"Upgrade mcp-atlassian to 0.22.0 or later.","affected":[{"fixed":"0.22.0","introduced":"0"}],"component":"mcp-atlassian","cve_ids":["CVE-2026-77274"],"ecosystem":"PyPI","epss":0.0033,"exploited":false,"fixed_versions":["0.22.0"],"ghsa_id":"GHSA-hgcf-4mq8-5266","id":"tcs_01M5KH9VQ8HWZGFQGSCVMFK9AG","modified_at":"2026-10-01T17:45:06.344736175Z","published_at":"2026-10-01T16:38:36.242055Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4096","https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-hgcf-4mq8-5266","https://nvd.nist.gov/vuln/detail/CVE-2026-77274","https://github.com/sooperset/mcp-atlassian/pull/1448","https://github.com/sooperset/mcp-atlassian/commit/b041733473f95119dd539542a43c280737a8e460","https://github.com/sooperset/mcp-atlassian","https://github.com/sooperset/mcp-atlassian/releases/tag/v0.22.0","https://pypi.org/project/mcp-atlassian","https://github.com/advisories/GHSA-hgcf-4mq8-5266"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2026-4096","url":"https://osv.dev/vulnerability/PYSEC-2026-4096"}],"summary":"MCP Atlassian: SSRF Protection Bypass"}